<link type="text/css" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
<script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>



<!-- 文档地址 https://getbootstrap.net/docs/components/modal/ -->
<button type="button" id="bs-confirm"  class="btn btn-primary" data-toggle="modal" data-target="#exampleModal">
	询问窗
</button>
<div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" >
	<div class="modal-dialog" role="document" style="font-size: 14px">
		<div class="modal-content">
			<div class="modal-header">
				<h5 class="modal-title">Modal title</h5>
				<button type="button" class="close" data-dismiss="modal" aria-label="Close">
					<span aria-hidden="true">&times;</span>
				</button>
			</div>
			<div class="modal-body">
				<p>Modal body text goes here.</p>
			</div>
			<div class="modal-footer">
				<button type="button" class="btn btn-primary">Save changes</button>
				<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
			</div>
		</div>
	</div>
</div>

<script type="text/javascript">
	//获取button元素
	var btn=$('#bs-confirm');
	//为了方便演示，先初始化一个点击事件。
	btn.click();

	//获取模态框的save按钮
	var savebtn=$('.modal-footer .btn-primary');
	savebtn.click(function(){
		console.log($(this).html());
		//dosomething....
	})
</script>
	